Home / 10,442,901.77-15,667,559.67-4,984,961.18

Finding the Fourth Proportional to 10,442,901.77, 15,667,559.67 and 4,984,961.18

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Solution

The fourth proportional to 10,442,901.77, 15,667,559.67 and 4,984,961.18 is: 7,478,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442,901.77 : 15,667,559.67 = 4,984,961.18 : x
  2. Step 2: Convert to fraction form
    10,442,901.77/15,667,559.67 = 4,984,961.18/x
  3. Step 3: Cross multiply
    10,442,901.77x = 15,667,559.67 × 4,984,961.18
  4. Step 4: Simplify right side
    10,442,901.77x = 78,102,176,661,945.81
  5. Step 5: Solve for x
    x = 78,102,176,661,945.81/10,442,901.77
  6. Step 6: Final answer
    x = 7,478,972.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.